Home / 236,353.81-326,112.16-134,371.28

Finding the Fourth Proportional to 236,353.81, 326,112.16 and 134,371.28

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Solution

The fourth proportional to 236,353.81, 326,112.16 and 134,371.28 is: 185,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,353.81 : 326,112.16 = 134,371.28 : x
  2. Step 2: Convert to fraction form
    236,353.81/326,112.16 = 134,371.28/x
  3. Step 3: Cross multiply
    236,353.81x = 326,112.16 × 134,371.28
  4. Step 4: Simplify right side
    236,353.81x = 43,820,108,362.76
  5. Step 5: Solve for x
    x = 43,820,108,362.76/236,353.81
  6. Step 6: Final answer
    x = 185,400.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.